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Which among the following is an application of non-causal system?

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in Signals and Systems by (1.2m points)
Which among the following is an application of non-causal system?

(a) Image processing

(b) RC circuit

(c) Stock market Analysis

(d) Automobile

I got this question in final exam.

The query is from Properties of Systems in chapter Signals and Systems Basics of Signals and Systems

1 Answer

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by (42.1k points)
Right choice is (c) Stock market Analysis

To explain: Image processing, RC circuit, and an automobile are all causal systems as they do not anticipate the future values of an image, RC circuit and future actions of a driver respectively. Instead, they function upon either the stored information or on the current values of the input. Whereas, in the stock market, analysts try to figure out a trend in the future based upon the stored information. Therefore, it is non-causal.

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